GM LS Aluminum Exhaust Manifold system with Stainless Risers for 4.8, 5.3, 6.0, 6.2, Aluminum 4" Exhaust System
The NEW LS Aluminum manifolds is popular on OEM based Aluminum exhaust system is popular on production GM LS based engine platforms up to the GM LSA of 550HP. This system features a single o2 sensor bung provision on one of the exhaust risers..The system features both fresh water and closed cooling plumbing options. a 4" exhaust hose connection is standard. See the link for installation instruction for further sizing specifications. Not for use with engines using a camshaft with more than .216 @ .050 Camshaft Duration. Risers are polished stainless steel.
ATTENTION** This Exhaust Manifolds in this System are sold in a raw Aluminum "As-Cast" satin finish, Installer will be required to apply any final finish as the outside is ROUGH aluminum. Sanding, Polishing, Powder coating or Painting is the responsibility of the purchaser!